i am currently restoring a 1953 silver streak clipper trailer, the rivets on these trailers seem to be larger than usual, i would like to remove some of the exterior panels and replace them with new ones, the only solid rivets (buck) that i can find are the ones from the vintage trailer company, but these are smaller than the ones on the trailer which are 0.31" or 5/16" the vintage trailer company ones are 0.20" does everyone just use the smaller rivets? or have i got the measurements wrong, any help would be much appreciated!!!